Directions: In these series, you will be looking at both the letter pattern and the number pattern as per the nature of the questions. Fill the blank in the beginning, middle of the series or end of the series as per the requirement of the below mentioned questions. You can also review your choices by clicking into answer section.
16. AZ, BY, CX, ?
A. EF
B. GH
C. IJ
D. DW
Answer
Explanation:
The first letter moves one step forward. The second letter moves one step backward.
17. ELFA,GLHA,ILJA, ? ,MLNA
A. OLPA
B. LLMA
C. KLMA
D. KLLA
Answer
Explanation:
The second and forth letters in the series I and A, are static. The first and third letters consist of an alphabetical order beginning with the letter E.
18. P3C, R5F, T8I, V12L,?
A. Y17O
B. X17M
C. X17O
D. X16O
Answer
Explanation:
The first letters of the terms are alternate. The sequence followed by the numbers is +2, +3, +4,…. The last letter of is three steps ahead of the last letter of the preceding term.
19. C, E, I, K, O, ?
A. P
B. Q
C. R
D. S
Answer
Explanation:
After C, 1 letter is skipped. After E, 3 letters are skipped. After I, 1 letter is skipped and so on. Skipping one letter after O, the answer is Q.
20. DEF, DEF2, DE2F2, ? , D2E2F3
A. DEF3
B. D3EF3
C. D2E3F
D. D2E2F2
Answer
Explanation:
In this series, the letters remain the same: DEF. The subscript numbers follow this series: 111, 112, 122, 222, 223, 233, 333…
21. 2A11, 4D13, 12G17,?
A. 36I19
B. 48J21
C. 36J21
D. 48J23
Answer
Explanation:
The first numbers in the terms follow the sequence x 2, x 3, x 4. The letter moves three steps forward. The last numbers follow the sequence + 2, + 4, + 6.
22. M ? nm ? n ? an ? a ? ma ?
A. Aamnan
B. Ammanm
C. Aammnn
D. Amammn
Answer
Explanation:
The series is man/man/man/man/man. The pattern 'man' is repeated.
23. 3F, 6G, 11I, 18L,?
A. 21O
B. 25N
C. 27P
D. 27Q
Answer
Explanation:
The letters move 1, 2, 3, …steps forward. The numbers increase by + 3, + 5, + 7, + 9…..
24. JAK, KBL, LCM, MDN, ?
A. OEP
B. NEO
C. MEN
D. PFQ
Answer
Explanation:
This is an alternating series in alphabetical order. The middle letters follow the order ABCDE. The first and third letters are alphabetical beginning with J. The third letter is repeated as a first letter in each subsequent three-letter segment.
25. ? , ZX, DB, HF, LJ
A. TV
B. VT
C. WY
D. YW
Answer
Explanation:
Changing the order of the letters, ___, XZ, BD, FH, JL 1 letter is skipped after each letter. XWVUT Leave out W and U, VT is the A.
26. Adb?ac?da?cddcb?dbc?cbda
A. Bccba
B. Cbbaa
C. Ccbba
D. Bbcad
Answer
Explanation:
The series is adbcacbdabcddcbadbcacbda.
27. 3F, 6G, 11I, 18L,?
A. 21O
B. 25N
C. 27P
D. 27Q
Answer
Explanation:
The letters move 1, 2, 3, …steps forward. The numbers increase by + 3, + 5, + 7, + 9….
29. A1B1C1, A1B1C2, A1B2C2, A2B2C2, ?
A. A3B2C2
B. A2B3C2
C. A2B2C3
D. A3B3C3’
Answer
Explanation:
The number after C is added by 1, then the number after B and then the number after A. This pattern is continued.
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